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Forums > CSDb Questions > CSDb compression
2013-09-30 14:37
Didi

Registered: Nov 2011
Posts: 479
CSDb compression

Hiya,

does it make sense to compress single d64 files when posting an entry to save space or are the files stored compressed on fileserver/in database anyway.

Greets
Didi
 
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2013-10-01 00:56
chatGPZ

Registered: Dec 2001
Posts: 11111
Quote:
It's supported by all major web servers and and browsers:

not quite what didi asked about though :) (but it makes the question about zipping or not zipping d64s kinda irrelevant, indeed)
2013-10-01 01:09
Moloch

Registered: Jan 2002
Posts: 2893
Quoting SIDwave
ok, what year was that invented?

mid to late 1990s
2013-10-01 02:21
Urban Space Cowboy

Registered: Nov 2004
Posts: 45
Quoting Didi
does it make sense to compress single d64 files when posting an entry to save space
Yes, if only because ZIP and other archives retain file timestamps which the uncompressed D64s don't.

Quoting wackee
Please, if you don't have to, don't compress files. It makes it so convenient for click/run or click/drag/drop/run ;)
gzip'd D64s are just as "convenient" in this way as uncompressed ones, at least with VICE.
2013-10-01 03:03
chatGPZ

Registered: Dec 2001
Posts: 11111
Quote:
if only because ZIP and other archives retain file timestamps which the uncompressed D64s don't.

if only ppl wouldnt rip apart spreaddisks and copy each release into a new d64, then it'd be a good point :)
2013-10-01 06:34
Bitbreaker

Registered: Oct 2002
Posts: 500
As if there would be so many new releases that unzipping becomes uncomfortable :-)
2013-10-01 10:51
Krill

Registered: Apr 2002
Posts: 2839
As others have commented, uploading compressed single disk images is completely pointless due to network transport compression (and also transparent compression in filesystems and databases).

Quoting wackee
I think it only makes sense for multi-disk releases, just to make sure that people download complete release.

Yes, and there, we'd be better off with some container format as seen on commercial C-64 emulators (see http://www.retroplatform.com/kb/15-122), which is basically a standard archive (usually compressed, think tarball or zip) with all required disk images and a manifest file (with meta-data like emulator settings), and possibly also other stuff like screenshots and .sid files, scrollers in plaintext and whatnot. Such a scheme would also make disk-changing in emulators and modern 1541 replacements a breeze.

It's long overdue for our community to define an open standard similar to that.

Are there any plans to support something like that in VICE, once it exists, groepaz?
2013-10-01 11:02
chatGPZ

Registered: Dec 2001
Posts: 11111
no. else we had already included cloantos format.
2013-10-01 12:33
Dr.Strange

Registered: Feb 2002
Posts: 100
Good to know. I usually compress them but since it's not really needed I won't do it anymore.
2013-10-02 02:41
Urban Space Cowboy

Registered: Nov 2004
Posts: 45
Quoting Groepaz
if only ppl wouldnt rip apart spreaddisks and copy each release into a new d64, then it'd be a good point :)
don't complain to me, complain to them :)

Just recently, it's obvious that Modul Utility V1.3, Edit Memory, and Save Program are all the same disk with all files but one scratched. What a waste of time! The uploader could've uploaded the original disk image for one database entry, then copied and pasted the URL into the others.
2013-10-02 14:35
chatGPZ

Registered: Dec 2001
Posts: 11111
personally i love it when someone makes a "clean" d64 and then breaks the release in the process =P
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